科普展品制作工艺说明:HOW DO YOU TURN THIS ON 获得一辆眼镜蛇汽车

how do you turn this on 啥意思呀，死都想不起来 HOW DO YOU TURN THIS ON 获得一辆眼镜蛇汽车 how do you translate this? do you know how to do this? How do you do? How do you do ? How do you do ? How do you turn an odd number into even by removing one letter? How do you turn an odd number into even by removing one letter? HOW DO YOU DO 是什么意思》？